A Projectile Is Fired Directly Upwards at 49

question 53

Multiple Choice

A projectile is fired directly upwards at 49.4 m/s.A second projectile is dropped from rest at some higher elevation at the instant the first projectile is fired and passes the first projectile 3.00 s later.From the frame of reference of the first projectile,what is the velocity of the second projectile as it passes by?

• A)64.1 m/s,downward
• B)71.5 m/s,downward
• C)49.4 m/s,downward
• D)34.7 m/s,downward
• E)104 m/s,downward

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